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<p>Reports cases when not all abstract properties or methods are defined in
  a subclass.</p>
<p><b>Example:</b></p>
<pre><code>
from abc import abstractmethod, ABC


class Figure(ABC):

    @abstractmethod
    def do_figure(self):
        pass


class Triangle(Figure):
    def do_triangle(self):
        pass
</code></pre>
<p>When the quick-fix is applied, the IDE implements an abstract method for the <code>Triangle</code> class:</p>
<pre><code>
from abc import abstractmethod, ABC


class Figure(ABC):

    @abstractmethod
    def do_figure(self):
        pass


class Triangle(Figure):
    def do_figure(self):
        pass

    def do_triangle(self):
        pass
</code></pre>
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